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Browsing Information & Knowledge Management by Title

Now showing items 1-20 of 77

Access to and Use of ICT's in the Provision of Information to Distance Learners in Kenyan Universities

Kamau, Grace Wambui; Kiplang’at, Joseph; Odini, Cephas (2018-03-13)

The purpose of the study which informs this chapter was to investigate access to and use of ICTs in the provision of information to distance learners at the University of Nairobi (UoN) and Kenyatta University (KU) libraries; ...
Adsorption and detection of some phenolic compounds by rice husk ash of Kenyan origin

Mbui, Damaris N; Shiundu, Paul M; Ndonye, Rachel M; Kamau, Geoffrey N (2002)

Rice husk ash (RHA) obtained from a rice mill in Kenya has been used as an inexpensive and effective adsorbent (and reagent) for the removal (and detection) of some phenolic compounds in water. The abundantly available ...
Adsorption of Congo Red Dye from Aqueous Solutions Using Roots of Eichhornia Crassipes: Kinetic and Equilibrium Studies

Wanyonyi, Wycliffe Chisutia; Onyari, , John Mmari; Shiundu, Paul M (Elsevier, 2014)

Adsorption of Congo red (CR) from aqueous solution using dried roots of Eichhornia crassipes was studied. Batch experiments were carried out for sorption kinetics and isotherms. Experimental results obtained showed that ...
Adsorption of methylene blue dye from aqueous solutions using Eichhornia crassipes

Wanyonyi, Wycliffe Chisutia; Onyari, John Mmari; Shiundu, Paul M (2013)

Adsorption of methylene blue (MB) from aqueous solution using dried roots, stems, and leaves of Eichhornia crassipes biomass obtained from Lake Victoria was studied. Batch experimental results revealed that the adsorption ...
Adsorption of Pb (II) Ions from Aqueous Solutions by Water Hyacinth (Eichhornia Crassipes): Equilibrium and Kinetic Studies

Anzeze, Davis Amboga; Onyari, John Mmari; Gichuki, John W; Shiundu, Paul M (2014)

The Eichhornia crassipes roots for the removal of Pb (II) ions from aqueous solutions has been investigated. The adsorption of Pb (II) ions was found to be affected by solution pH, contact time, adsorbent dosage, initial ...
Air and blood lead levels in lead acid battery recycling and manufacturing plants in Kenya

Were, Faridah H; Kamau, Geoffrey N; Shiundu, Paul M; Wafula, Godfrey A; Moturi, Charles M (Taylor & Francis, 2012)

The concentration of airborne and blood lead (Pb) was assessed in a Pb acid battery recycling plant and in a Pb acid battery manufacturing plant in Kenya. In the recycling plant, full-shift area samples taken across 5 days ...
An Analysis of Indigenous Knowledge Legislation and Policies in Kenya

Chepchirchir, Sally; Kwanya, Tom (2019-07-24)

Since the dawn of history, humanity has always sought more knowledge to feed families, stay healthy, argue with neighbours, and understand the immediate environment, among other issues. Before scientific approaches of ...
An analysis of the opportunities for information technology in improving access, transfer and the use of agricultural information in the rural areas of Kenya

Kiplang’at, Joseph (MCB UP Ltd, 1999)

Presented at the SCANUL‐ECS Conference held in Kenya 23‐26 July 1998. Examines the opportunities of information technology (IT) in improving access, transfer and use of agricultural information in the rural areas of Kenya. ...
Application of Information Systems Theories in Library and Information Science Research: A Content Analysis

Onyancha1, *Omwoyo Bosire; Kwanya1, Tom (2019-07-17)

There is a widely-held belief that the library and information science (LIS) field does not have theories of its own but borrows heavily from a variety of fields. One of the subject domains from which LIS borrows theories ...
Application of resource dependency theory and transaction cost theory in analysing outsourcing information communication services decisions: A case of selected public university libraries in Kenya

Kiplang’at, Joseph; Gichoya, David; Mwai, Naomi Wangari (Emerald Group Publishing Limited, 1983)

Purpose – The aim of this paper is to establish how resource dependency theory (RDT) and transaction cost theory (TCT) can inform decisions to outsource ICT services by public university libraries in Kenya. Design/ ...
Automated exploration and exploitation of flow-injection response surfaces

Wadell, A.P; Shiundu, P.M; Wentze, P.D (Elsevier, 1990)

Three-dimensional plots of instrumental responses vs. chemical concentrations or flow parameters have been 1 obtained in an automated manner on a computer-controlled flow-injection methods development system. Consideration ...
Biodegradability of Poly (lactic acid), Preparation and Characterization of PLA/Gum Arabic Blends

Onyari, John M; Mulaa, Francis; Muia, Joshua; Shiundu, Paul (2008)

In this study, the biodegradation of PLA films using microorganisms from Lake Bogoria (Kenya) were investigated. The biodegradation tests done using certain strains of thermophilic bacteria showed faster biodegradation ...
Biosorption of Malachite Green from Aqueous Solutions onto Polylactide/Spent Brewery Grains Films: Kinetic and Equilibrium Studies

Chanzu, Harry Amuguni; Onyari, John Mmari; Shiundu, Paul M (2012)

Batch experiments were conducted to study the biosorption of Malachite Green (MG) onto polylactide (PLA)/spent brewery grains (SBGs) films. Films were prepared by solvent-casting method using dichloromethane. Effects of ...
Biosorption of Zn (II) ions from aqueous solutions by water hyacinth (Eichhornia crasippes): Equilibrium and Kinetic studies

Anzeze, Davis Amboga; Onyari, John Mmari; Shiundu, Paul M; Gichuki, John W (2014)

The biosorption characteristics of Zn (II) ions were investigated. Experimental parameters affecting the biosorption process such as pH, contact time, biomass dosage, initial metal ion concentration, and temperature were ...
Collaboration Patterns in Knowledge Management Research in Eastern and Southern Africa Region, 1991 - 2016

Nyamasege, Geoffrey Gichaba; Onyancha, Omwoyo Bosire; Kwanya, Tom (2019-07-17)

Using a bibliometrics analysis, this chapter examines the collaboration patterns in knowledge management research in Eastern and Southern Africa (E&SA) region as indexed in Scopus database for the period 1991-2016. The ...
Computer-controlled apparatus for automated development of continuous flow methods

Wentzell, Peter D; Hatton, Michael J; Shiundu, Paul M; Ree, Ronald M; Wade, Adrian P (1989)

An automated apparatus to assist in the development ofanalytical continuous flow methods is described. The system is capable of controlling and monitoring a variety ofpumps, valves, and detectors through an IBM PC-AT ...
Copyright Challenges in Digital Libraries in Kenya from the Lens of a Librarian

Kamau, Grace Wambui (2018-03-13)

This chapter examines copyright issues and challenges facing digital libraries with a specific emphasis on Kenya. It covers a number of issues such as the meaning, characteristics and advantages of a digital library; the ...
Development of catalytic photometric flow injection methods for the determination of selenium

Shiundu, Paul M; Wade, Adrian P (1991)
Diffusion of Information and Communication Technologies in communication of agricultural information among agricultural researchers and extension workers in Kenya

Kiplang’at, Joseph (South African Journal of Library and Information Science, 2005)

The paper reports on the findings of a study that investigated the diffusion of Information and Communication Technologies (ICTs) in communication of agricultural information among agricultural researchers and extension ...
The diffusion of innovations theory as a theoretical framework in library and information science research

Kiplang’at, Joseph; Minishi, Majanja, Mabel K. (South African Journal of Library and Information Science, until Vol 67, Issue 2, 2005)

This paper discusses the appropriateness of Diffusion of Innovations (DoI) Theory as a platform for explaining aspects of information and communication technology (ICT) innovation adoption process in the field of Library ...

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